Crisis energética: El futuro de los combustibles fósiles (Energy Crisis: The Future of Fossil Fuels)

Algorithms might sound like a complicated tech term, but don't be intimidated, people actually use them every day. Using accessible language and full-color photographs, this book simplifies algorithms in an easy-to-understand way. Readers will be amazed to learn that an algorithm is just a set of steps for computers to follow to get things done. STEM topics from the Next Generation Science Standards are emphasized throughout the text. Sidebars featuring key terms help readers grow their tech vocabulary, and fact boxes provide additional opportunities to learn.

Colorful photographs feature children on their way to school, in their classrooms, and following school rules. Young readers will also learn about the jobs of teachers, librarians, and principals. An important section teaches children how to stay healthy inside their school communities.

De todas las grandes aventuras que ha vivido el ser humano hasta nuestros días, la que le llevó a montarse en una nave espacial y alcanzar la Luna es seguramente la más apasionante y hermosa de todas. Súbete en el Apollo 11 y acompaña a Armstrong, Collins y Aldrin en una aventura espacial camino de la Luna, camino de la historia.

Surveys the life of Nat Love, African American cowboy, renowned for his riding, roping, and sharpshooting.

Rina Komemoski..., una rana fuera de lo común, aprende el valor de la amistad en medio del hambre implacable... ¿Será posible?